What is the value of 3+6 - 9+12+15-18 +21+ 24 - 27+ ... +84 +87 - 90?

Through: (-3,-3) parallel to y= 7/3x+3

What does the sign of the slope tell you about a line?

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!